The whole chicken carcasses were
rinsed thoroughly with equal volume of 0.1% Buffered Peptone
Water (Himedia) for 5 min and 10 ml of rinse solution was mixed
with the same volume of double-concentrated Trypticase soy broth
(TSB, Himedia) with 10% defibrinated sheep blood. After 24 h of
incubation at 37 C